Step 8: Tricky Clip
The loop of cord that goes over the high pulley is joined thus:
We tied two interlocking loops using "sheet bend" knots.
We attached one loop to each lever of a clothespin, so when the cord is pulled, it compresses the levers and opens the jaws of the clothespin.
This system works really well.
When hoisting the parachute the tension is only on one side of the clip, so it doesn't open until you pull both tails of the cord loop.
You could cut square notches in the clothespin jaws or use a metal alligator clip to hoist something really heavy.
We tied two interlocking loops using "sheet bend" knots.
We attached one loop to each lever of a clothespin, so when the cord is pulled, it compresses the levers and opens the jaws of the clothespin.
This system works really well.
When hoisting the parachute the tension is only on one side of the clip, so it doesn't open until you pull both tails of the cord loop.
You could cut square notches in the clothespin jaws or use a metal alligator clip to hoist something really heavy.
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